“…For example, the Mo 2 TiC 2 T x lm was reported to deliver a conductivity of 1380 S cm −1 , a carrier mobility of 2.85 cm 2 V −1 s −1 and a power factor of 309 mW m −1 K −2 at 803 K. 21 Despite the boosting effect of MXene in MXene/carbon, 22 MXene/polymer, 23 and MXene/inorganic 24 TE nanocomposites, the possible synergistic effect with other dimensional materials especially one dimensional nano-bers/wires as well as the optimal preparation strategy remain unresearched. This is very important in that cross-dimensional compositing has been shown to be promising to largely enhance the synergistic functionality, not only in the area of thermoelectrics, 25,26 but also magnetics, 27 electrochemistry, 28 photocatalysis, 29 etc. With the aim of preparing multidimensional composites that acquire high TE performance and good exibility, we incorporate trace 2D MXene nanosheets (NSs) into 1D Ag 2 Se nanowires (NWs) matrix, where MXene acts as a bridge to connect nanowires that strengthens the linkage while regulating carrier transportation.…”